condition mean min max 12pM Fe,Midday 76.949 76.949 76.949 12pM Fe,Midnight 48.2903 44.8267 51.7539 58pM Fe,Midday 47.1813 47.1813 47.1813 58pM Fe,Midnight 60.69452857142857 36.0292 113.503 233pM Fe,Midnight 57.011266666666664 54.9897 60.3677 1160pM Fe,Midday 59.98314285714286 49.7148 80.566 1160pM Fe,Midnight 60.033475 42.5472 95.3164 High carbon,Dark 53.6458 28.4329 90.9098 High carbon,Light 55.89050769230769 12.5427 114.28 Low carbon,Dark 18.6781 18.6781 18.6781 Phloroglucinol 25.39313333333333 18.7078 29.211 Silicon starvation,12h 97.5548 97.5548 97.5548